trace: make the trace_event callbacks return enum print_line_t

As they actually all return these enumerators.

Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 2 deletions

diff --git a/block/blktrace.c b/block/blktrace.c
index 12df27693972..c7698d1617a1 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -1158,7 +1158,8 @@ static struct {
         [__BLK_TA_REMAP]        = {{  "A", "remap" },      blk_log_remap },
 };
 
-static int blk_trace_event_print(struct trace_iterator *iter, int flags)
+static enum print_line_t blk_trace_event_print(struct trace_iterator *iter,
+                                               int flags)
 {
         struct trace_seq *s = &iter->seq;
         const struct blk_io_trace *t = (struct blk_io_trace *)iter->ent;
@@ -1196,7 +1197,8 @@ static int blk_trace_synthesize_old_trace(struct trace_iterator *iter)
                                 sizeof(old) - offset + t->pdu_len);
 }
 
-static int blk_trace_event_print_binary(struct trace_iterator *iter, int flags)
+static enum print_line_t
+blk_trace_event_print_binary(struct trace_iterator *iter, int flags)
 {
         return blk_trace_synthesize_old_trace(iter) ?
                         TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;